Eshan Singh

Backend lead for the ABDM integration — Golang, certified by the National Health Authority. Built the internal management system covering procurement to compliance, IAM with ORY Keto, and cut search latency from 700ms to 150ms with self-hosted Typesense. Moved analytics to ClickHouse + PeerDB.

Automated operations for large-scale machine infrastructure. Took critical node uptime from 80% to 95% and built the integrated ticketing tool the support team runs on.

REST APIs in Node.js, hardened the mailer and notification systems, and built a high-throughput document generation pipeline.